The total land area of all continents is ১৪,৮৬,৪৭,০০০ বৰ্গ কি.মি. (1.48647×1014 বৰ্গ মিটাৰ), or 29.1% of earth's surface (51,00,65,600 বৰ্গ কি.মি.s / 5.100656×1014 square metres).
A rough estimate of the total population of all the continents is 7,000,000,000.
↑[1] official Greek Paedagogical Institute 6th grade Geography textbook, 5+1 continents combined-America model, Pankosmios Enyklopaidikos Atlas, CIL Hellas Publications, ISBN 84-407-0470-4, page 30, 5+1 combined-America continents model, Neos Eikonographemenos Geographikos Atlas, Siola-Alexiou, 6 continents combined-America model, Lexico tes Hellenikes Glossas, Papyros Publications, ISBN 978-960-6715-47-1, lemma continent(epeiros), 5 continents model,[2]Lexico Triantaphyllide online dictionary , Greek Language Center (Kentro Hellenikes Glossas), lemma continent(epeiros), 6 continents combined-America model, Lexico tes Neas Hellenikes Glossas, G.Babiniotes, Kentro Lexikologias(Legicology Center) LTD Publications , ISBN 960-86190-1-7, lemma continent(epeiros), 6 continents combined-America model.Note and clarification on the above: the sometimes used in Greece 5 and 5+1 continents models mentioned above are equivalent to the 6 (inhabited) continents combined-America model excluding/including (separately mentioning) the uninhabited and once lesser-known or unknown Antarctica (just like the Olympic Circles-Logo); they don't refer to some other 5 or other number continent modeling scheme.
↑Océano Uno, Diccionario Enciclopédico y Atlas Mundial, "Continente", page 392, 1730. ISBN 84-494-0188-7
↑Los Cinco Continentes (The Five Continents), Planeta-De Agostini Editions, 1997. ISBN 84-395-6054-0
↑"Total Population – Both Sexes". World Population Prospects, the 2010 Revision. United Nations Department of Economic and Social Affairs. 28 June 2011. Retrieved 24 October 2011. (Per linked individual article definitions, North America includes UN population estimates for North America, Central America and Caribbean; Australia includes Australia and Papua New Guinea.)